From 340e7becacc2179a4a33b31aa94888b06073b500 Mon Sep 17 00:00:00 2001
From: Mathieu Schroeter <mathieu@schroetersa.ch>
Date: Tue, 29 May 2018 17:38:51 +0200
Subject: [PATCH] Center the window on the right display with zoom switching

---
 src/event.cxx | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/event.cxx b/src/event.cxx
index 1a36d28..f2c9e09 100644
--- a/src/event.cxx
+++ b/src/event.cxx
@@ -1725,8 +1725,11 @@ CEvent::SetWindowSize (Uint8 prevScale, Uint8 newScale)
   SDL_GetMouseState (&x, &y);
 
   SDL_SetWindowSize (g_window, LXIMAGE * newScale, LYIMAGE * newScale);
+
+  int displayIndex = SDL_GetWindowDisplayIndex (g_window);
   SDL_SetWindowPosition (
-    g_window, SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED);
+    g_window, SDL_WINDOWPOS_CENTERED_DISPLAY (displayIndex),
+    SDL_WINDOWPOS_CENTERED_DISPLAY (displayIndex));
 
   m_pPixmap->LoadCursors (newScale);
   m_pPixmap->ReloadTargetTextures ();